Technical Data 

Temperature - NTC 

  •  Measuring range -4° to 158 °F / -20 to +70 °C
  •  Accuracy ±0.4 °F (-4° to 158 °F) / ±0.2 °C (-20 to +70 °C)
  •                  32.7 °F (Remaining Range) / 0.4 °C (Remaining Range)
  • Resolution 0.1 °F / 0.1 °C


Humidity - Capacitive Technical Data

  •  Measuring range 0 to +100 %rH*
  •  Accuracy dependent on selected probe
  •  Resolution 0.1 %rH


* Not for condensing atmospheres. For continuous applications in high humidity (>80 %RH at ≤30 °C for >12 h, >60 %RH at >30 °C for >12 h), please contact us via our website.

General Technical Data

  1.  Protection class IP65
  2.  Channels 4 external
  3.  Warranty 2 years
  4.  Measuring rate 1 s to 24 h
  5.  Battery type 1 x Lithium (TL-5903)
  6.  Battery life 8 years at 15 min. meas. rate
  7.  Dimensions 4 x 2 x 1 in. / 103 x 63 x 33 mm
  8.  Operating temperature -4° to 158 °F / -20 to +70 °C
  9.  Memory 2,000,000 measuring values
  10.  Storage temperature -40° to 185 °F / -40 to +85 °C